"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : MOT支持的DML
Case Name   : MOT支持select * into
Create At   : 2020/09/18
Owner       : opentestcase028
Description :
    1.创建模式，创建内存表，插入数据
    2.DML操作select * into，清理环境
    3.恢复环境默认配置，修改enable_incremental_checkpoint为on，并重启数据库
Expect      :
    1.创建模式成功，创建内存表成功，插入数据成功
    2.select * into操作成功，清理环境成功
    3.修改参数成功，重启数据库成功
History     :
    modified by opentestcase042,2023.01.05，MOT支持的DML，适配代码
"""

import os
import unittest
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant


class Mot_datatype_test(unittest.TestCase):

    def setUp(self):
        self.logger = Logger()
        self.primary_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.commonsh = CommonSH
        self.common = Common()
        self.config = 'enable_incremental_checkpoint'
        self.logger.info(f'-----{os.path.basename(__file__)} start-----')
        self.logger.info('------------修改配置，并重启数据库------------')
        show_msg = self.common.show_param(self.config)
        if 'off' not in show_msg:
            msg1 = self.primary_sh.execute_gsguc('set',
                                                 self.constant.GSGUC_SUCCESS_MSG,
                                                 f'{self.config}=off')
            self.logger.info(msg1)
            msg2 = self.primary_sh.restart_db_cluster()
            self.logger.info(msg2)
            msg3 = self.primary_sh.get_db_cluster_status()
            self.assertTrue("Normal" or "Degrade" in msg3)
        show_msg = self.common.show_param(self.config)
        self.assertTrue('off' in show_msg)

    def test_mot_constraint(self):
        text = '-----------------step:MOT支持的DML;expect:成功------------------'
        self.logger.info(text)
        self.schema = 'schema_mot_0055'
        self.t_name = 't_mot_0055'
        self.t_name_new = 't_mot_0055_new'
        self.sql_cmd1 = f'''
                        drop schema if exists {self.schema} cascade;
                        create schema {self.schema};
                        create foreign table {self.schema}.{self.t_name}(id int);
                        insert into {self.schema}.{self.t_name} values(1),(2),(3),(4),(5);
                      '''

        msg4 = self.primary_sh.execut_db_sql(self.sql_cmd1)
        self.logger.info(msg4)
        self.assertIn(self.constant.CREATE_FOREIGN_SUCCESS_MSG, msg4)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG, msg4)

        self.sql_cmd2 = f'''
                        select * into {self.schema}.{self.t_name_new} from {self.schema}.{self.t_name} where id > 2;
                        drop foreign table {self.schema}.{self.t_name};
                        drop table {self.schema}.{self.t_name_new};
                        drop schema if exists {self.schema} cascade;
                      '''
        msg5 = self.primary_sh.execut_db_sql(self.sql_cmd2)
        self.logger.info(msg5)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG, msg5)
        self.assertIn(self.constant.DROP_FOREIGN_SUCCESS_MSG, msg5)
        self.assertIn(self.constant.TABLE_DROP_SUCCESS, msg5)
        self.assertIn(self.constant.DROP_SCHEMA_SUCCESS_MSG, msg5)

    def tearDown(self):
        self.logger.info('------------this is tearDown-------------')
        self.logger.info('-----------恢复配置，enable_incremental_checkpoint=on-----------')
        show_msg = self.common.show_param(self.config)
        if 'on' not in show_msg:
            msg6 = self.primary_sh.execute_gsguc('set',
                                                 self.constant.GSGUC_SUCCESS_MSG,
                                                 f'{self.config}=on')
            self.logger.info(msg6)
            msg7 = self.primary_sh.restart_db_cluster()
            self.logger.info(msg7)
            msg8 = self.primary_sh.get_db_cluster_status()
            self.assertTrue("Normal" or "Degrade" in msg8)
        show_msg = self.common.show_param(self.config)
        self.assertTrue('on' in show_msg)
        self.logger.info(f'-----{os.path.basename(__file__)} end-----')
